Archived from the original on May 12, 2007. Cobb 73 1989 Office 15th-tallest building in the United States, third tallest building on the West Coast of the United States, third tallest building in California ; tallest building in the world with a helipad on its roof; tallest. 9 10 11 Its skyline is ranked 1st in the Pacific coast region and 4th in the United States, after New York City, Chicago, and Miami. 5, modern skyscrapers are difficult and expensive to construct in Los Angeles due to the city's high rate of earthquakes and position near the, san Andreas fault line, as well as the resulting difficulty of adhering to the city's rigorous engineering standards. Archived from the original on April 27, 2017. This lists buildings that once held the title of tallest building in Los Angeles. Formerly "Fig Central" The Ritz-Carlton Los Angeles 667 (203) Gensler 54 2010 Hotel/Residential Tallest building constructed in Los Angeles in the 2010s until the Wilshire Grand Center 32 14 Metropolis Tower D 647 (197) Gensler 58 2019 Residential 889 Francisco. Olympia Tower I 853 /. Martin 55 1974 Office 92nd-tallest building in the United States ; formerly known as Security Pacific Bank Plaza, arco Plaza, and BP Plaza Tower 725 (221) C?sar Pelli 52 1991 Office 98th-tallest building in the United States. Plans to be finalized once AEG submits plan to LA City Hall for Convention Center expansion. That height limit was lifted in Downtown Los Angeles by the city government in 1957. South Hill 637 (194) Onni Group 49 2019 Residential 825 S Hill St Los Angeles, CA 90014 One of the tallest residential buildings in California Citigroup Center 625 (191) Albert. 10 6AM South Tower 710 / th St and Alameda Proposed residential and hotel proposed in the Arts District.